Failed MFA Challenge
Low
Investigating
ALR-00087 · 2026-07-05T16:58:52Z
Description
Multiple failed MFA challenges for user 'k.brown' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. DecoyPulse locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
16:58:52
Event ingested by SOC365 Engine
16:58:57
EmilyAI triage started — correlation enrichment
16:59:06
EmilyAI confidence: 86% — escalated to human analyst
16:59:14
Alert assigned to analyst: EmilyAI (auto)
17:00:18
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00026 | 1h ago | Ransomware Behaviour Detected | Medium | Escalated | WS-LAP-011 |
| ALR-00471 | 14h ago | Failed MFA Challenge | Informational | Resolved | SRV-MAIL-01 |
| ALR-00330 | 1d ago | Port Scan Detected | Informational | Resolved | WS-LAP-011 |
| ALR-00281 | 2d ago | DLP Policy Violation | Low | Resolved | WS-LAP-011 |
| ALR-00296 | 2d ago | Failed MFA Challenge | Medium | Escalated | WS-LAP-010 |